mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2024-09-21 03:41:42 +02:00
163 lines
3.7 KiB
C++
163 lines
3.7 KiB
C++
// Copyright (C) 2003 Dolphin Project.
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, version 2.0.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License 2.0 for more details.
|
|
|
|
// A copy of the GPL 2.0 should have been included with the program.
|
|
// If not, see http://www.gnu.org/licenses/
|
|
|
|
// Official SVN repository and contact information can be found at
|
|
// http://code.google.com/p/dolphin-emu/
|
|
|
|
#include "Thread.h"
|
|
#include "Common.h"
|
|
|
|
#ifdef __APPLE__
|
|
#include <mach/mach.h>
|
|
#elif defined BSD4_4
|
|
#include <pthread_np.h>
|
|
#endif
|
|
|
|
#ifdef USE_BEGINTHREADEX
|
|
#include <process.h>
|
|
#endif
|
|
|
|
namespace Common
|
|
{
|
|
|
|
int CurrentThreadId()
|
|
{
|
|
#ifdef _WIN32
|
|
return GetCurrentThreadId();
|
|
#elif defined __APPLE__
|
|
return mach_thread_self();
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
|
|
void SetThreadAffinity(std::thread::native_handle_type thread, u32 mask)
|
|
{
|
|
SetThreadAffinityMask(thread, mask);
|
|
}
|
|
|
|
void SetCurrentThreadAffinity(u32 mask)
|
|
{
|
|
SetThreadAffinityMask(GetCurrentThread(), mask);
|
|
}
|
|
|
|
// Supporting functions
|
|
void SleepCurrentThread(int ms)
|
|
{
|
|
Sleep(ms);
|
|
}
|
|
|
|
void SwitchCurrentThread()
|
|
{
|
|
SwitchToThread();
|
|
}
|
|
|
|
// Sets the debugger-visible name of the current thread.
|
|
// Uses undocumented (actually, it is now documented) trick.
|
|
// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vsdebug/html/vxtsksettingthreadname.asp
|
|
|
|
// This is implemented much nicer in upcoming msvc++, see:
|
|
// http://msdn.microsoft.com/en-us/library/xcb2z8hs(VS.100).aspx
|
|
void SetCurrentThreadName(const char* szThreadName)
|
|
{
|
|
static const DWORD MS_VC_EXCEPTION = 0x406D1388;
|
|
|
|
#pragma pack(push,8)
|
|
struct THREADNAME_INFO
|
|
{
|
|
DWORD dwType; // must be 0x1000
|
|
LPCSTR szName; // pointer to name (in user addr space)
|
|
DWORD dwThreadID; // thread ID (-1=caller thread)
|
|
DWORD dwFlags; // reserved for future use, must be zero
|
|
} info;
|
|
#pragma pack(pop)
|
|
|
|
info.dwType = 0x1000;
|
|
info.szName = szThreadName;
|
|
info.dwThreadID = -1; //dwThreadID;
|
|
info.dwFlags = 0;
|
|
|
|
__try
|
|
{
|
|
RaiseException(MS_VC_EXCEPTION, 0, sizeof(info)/sizeof(ULONG_PTR), (ULONG_PTR*)&info);
|
|
}
|
|
__except(EXCEPTION_CONTINUE_EXECUTION)
|
|
{}
|
|
}
|
|
|
|
#else // !WIN32, so must be POSIX threads
|
|
|
|
void SetThreadAffinity(std::thread::native_handle_type thread, u32 mask)
|
|
{
|
|
#ifdef __APPLE__
|
|
thread_policy_set(pthread_mach_thread_np(thread),
|
|
THREAD_AFFINITY_POLICY, (integer_t *)&mask, 1);
|
|
#elif (defined __linux__ || defined BSD4_4) && !(defined ANDROID)
|
|
cpu_set_t cpu_set;
|
|
CPU_ZERO(&cpu_set);
|
|
|
|
for (int i = 0; i != sizeof(mask) * 8; ++i)
|
|
if ((mask >> i) & 1)
|
|
CPU_SET(i, &cpu_set);
|
|
|
|
pthread_setaffinity_np(thread, sizeof(cpu_set), &cpu_set);
|
|
#endif
|
|
}
|
|
|
|
void SetCurrentThreadAffinity(u32 mask)
|
|
{
|
|
SetThreadAffinity(pthread_self(), mask);
|
|
}
|
|
|
|
static pthread_key_t threadname_key;
|
|
static pthread_once_t threadname_key_once = PTHREAD_ONCE_INIT;
|
|
|
|
void SleepCurrentThread(int ms)
|
|
{
|
|
usleep(1000 * ms);
|
|
}
|
|
|
|
void SwitchCurrentThread()
|
|
{
|
|
usleep(1000 * 1);
|
|
}
|
|
|
|
static void FreeThreadName(void* threadname)
|
|
{
|
|
free(threadname);
|
|
}
|
|
|
|
static void ThreadnameKeyAlloc()
|
|
{
|
|
pthread_key_create(&threadname_key, FreeThreadName);
|
|
}
|
|
|
|
void SetCurrentThreadName(const char* szThreadName)
|
|
{
|
|
pthread_once(&threadname_key_once, ThreadnameKeyAlloc);
|
|
|
|
void* threadname;
|
|
if ((threadname = pthread_getspecific(threadname_key)) != NULL)
|
|
free(threadname);
|
|
|
|
pthread_setspecific(threadname_key, strdup(szThreadName));
|
|
|
|
INFO_LOG(COMMON, "%s(%s)\n", __FUNCTION__, szThreadName);
|
|
}
|
|
|
|
#endif
|
|
|
|
} // namespace Common
|